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Finding the Fourth Proportional to 117,378.99, 176,082.46 and 37,388.87

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Solution

The fourth proportional to 117,378.99, 176,082.46 and 37,388.87 is: 56,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,378.99 : 176,082.46 = 37,388.87 : x
  2. Step 2: Convert to fraction form
    117,378.99/176,082.46 = 37,388.87/x
  3. Step 3: Cross multiply
    117,378.99x = 176,082.46 × 37,388.87
  4. Step 4: Simplify right side
    117,378.99x = 6,583,524,883.11
  5. Step 5: Solve for x
    x = 6,583,524,883.11/117,378.99
  6. Step 6: Final answer
    x = 56,087.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.